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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        //设干嘛数组 数组是有序的
        let arr=['liuDeHua','zhangXueYou','liMing','guoFuCheng','zhangSan']
        //使用数组 下标访问
        console.log(arr);
        console.log(arr[0]);
        let week=['星球一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期日']
        console.log(week[6]);
        // console.log(week[6]);
        console.log(week.length);
    </script>
</body>
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